IRONWOOD PHARMACEUTICALS INC (IRWD) Stock Ownership

NASDAQ:IRWD • US46333X1081

Current stock price

4.04 USD
+0.11 (+2.8%)
At close:
4.0823 USD
+0.04 (+1.05%)
After Hours:

IRWD Ownership information

IRWD Ownership Chart.IRWD Ownership Chart: showing Insider, Institutional ownership and shares available to the public.IRWD Ownership.InsiderInstitutionalPublic



Shares Outstanding163.06M
Float157.58M
Float Short Interest Percentage11.36%
Owners (insider)3.11%
Owners (institutional)91.35%
Owners (insider) change6.18%
Owners (institutional) change0.81%
IRWD Institutional Ownership HistoryIRWD Institutional Ownership HistoryIRWD Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 Mar 2026 50M 100M 150M
IRWD Historical Insider Transactions ChartIRWD Historical Insider Buy and Sell Transactions ChartIRWD Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 -2M -4M -6M
DateNameTypeSharesPriceAmount
Mar 17, 2026DENNER ALEXANDER JOpen Market Sale67308003.05$ 20,530,448.00
Mar 13, 2026DENNER ALEXANDER JGrant44510.00$ 0.00
Mar 10, 2026Martini Gregory S.Grant1366120.00$ 0.00
Mar 10, 2026John MinardoGrant1366120.00$ 0.00
Mar 10, 2026Shetzline MichaelGrant1366120.00$ 0.00
Mar 10, 2026Silver RonaldGrant1639340.00$ 0.00
Mar 10, 2026MCCOURT Thomas AGrant4098360.00$ 0.00
Mar 10, 2026Gaskins Tammi LGrant1366120.00$ 0.00
Feb 23, 2026Martini Gregory S.Open Market Sale219443.73$ 81,888.09
Feb 23, 2026Silver RonaldOpen Market Sale241733.73$ 90,205.98
Feb 23, 2026John MinardoOpen Market Sale364923.73$ 136,176.57
Feb 23, 2026Shetzline MichaelOpen Market Sale325823.73$ 121,585.62
Feb 23, 2026Gaskins Tammi LOpen Market Sale215263.73$ 80,328.21
Feb 23, 2026MCCOURT Thomas AOpen Market Sale1982833.73$ 739,929.33
Jan 5, 2026Silver RonaldOpen Market Sale354164.60$ 162,913.60
Dec 15, 2025DENNER ALEXANDER JGrant41780.00$ 0.00
Dec 15, 2025Sarissa Capital Management LPGrant41780.00$ 0.00
Nov 17, 2025Gaskins Tammi LOpen Market Sale60163.32$ 19,973.12
Sep 15, 2025DENNER ALEXANDER JGrant117180.00$ 0.00
Aug 11, 2025Gaskins Tammi LOpen Market Sale13160.84$ 1,105.44
Aug 11, 2025Martini Gregory S.Open Market Sale12650.84$ 1,062.60
Aug 11, 2025Silver RonaldOpen Market Sale28460.84$ 2,390.64
Aug 11, 2025John MinardoOpen Market Sale77540.84$ 6,513.36
Jun 13, 2025DENNER ALEXANDER JGrant241930.00$ 0.00
Jun 13, 2025Sarissa Capital Management LPGrant241930.00$ 0.00
Jun 10, 2025Shepard JayGrant450000.00$ 0.00
Jun 10, 2025Kessler Marla LGrant450000.00$ 0.00
Jun 10, 2025Moukheibir CatherineGrant450000.00$ 0.00
Jun 10, 2025Duane Jon RGrant450000.00$ 0.00
Jun 10, 2025McHugh JulieGrant450000.00$ 0.00
Jun 10, 2025Currie Mark GGrant450000.00$ 0.00
Jun 10, 2025Dreyfus AndrewGrant450000.00$ 0.00
Jun 10, 2025DENNER ALEXANDER JGrant450000.00$ 0.00
Jun 10, 2025Sarissa Capital Management LPGrant450000.00$ 0.00
May 20, 2025MCCOURT Thomas AGrant5400000.00$ 0.00
May 16, 2025MCCOURT Thomas AOpen Market Sale133530.58$ 7,744.74
May 16, 2025Gaskins Tammi LOpen Market Sale25630.58$ 1,486.54